Home Postcode finder NSW Birdwood Birdwood postcode NSW Birdwood is a locality in New South Wales covered by postcode 2446. Postcode 2446 State or territory New South Wales (NSW) Region NSW North Coast Add a free Birdwood business listing Be the first listing in Birdwood Common questionsWhat is the postcode for Birdwood?Birdwood, NSW has the postcode 2446.What state is Birdwood in?Birdwood is in New South Wales (NSW).Does postcode 2446 cover more than one suburb?Yes. Postcode 2446 covers 41 localities, so the postcode alone does not identify Birdwood. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.